package day04;

public class ForDemo {
    public static void main(String[] args) {
        for (int num=1;num<=9;num++){
            System.out.println(num+"*9="+num*9);
        }
        for (int num=9;num>=1;num--){
            System.out.println(num+"*9="+num*9);
        }
        for (int times=0;times<5;times++){
            System.out.println("行动是成功的阶梯");
        }/*times=0 true sout
           times=1 true sout
           times=2 true sout
           times=3 true sout
           times=4 true sout
           times=5 f   短路*/
        int sum=0;
        for (int i=1;i<=100;i++){
            sum=sum+i;
        }
        System.out.println("sum="+sum);
    }
}
